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Particle.cpp
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Particle.cpp
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#include "Particle.h"
#include <iostream>
using namespace glm;
Particle::~Particle()
{
//dtor
}
// #################################################
// PARTICLE ONE
// #################################################
ParticleOne::ParticleOne(glm::vec2 pos, glm::vec2 velocity, float lifespan, bool rotation, glm::vec3 rotationAxis, float rotationAngle, float size) :
Particle(pos, velocity, lifespan, rotation, rotationAxis, rotationAngle)
{
float verticesTmp[] = {0, 0, 0, size, 0, 0, size, 6*size, 0, // FRONT
0, 0, 0, size, 6*size, 0, 0, 6*size, 0,
0, 4*size, 0, 0, 6*size, 0, -1.5*size, 4.5*size, 0,
0, 4*size, 0, -1.5*size, 4.5*size, 0, -1.5*size, 3.5*size, 0,
0, 0, -size, size, 0, -size, size, 6*size, -size, // BACK
0, 0, -size, size, 6*size, -size, 0, 6*size, -size,
0, 4*size, -size, 0, 6*size, -size, -1.5*size, 4.5*size, -size,
0, 4*size, -size, -1.5*size, 4.5*size, -size, -1.5*size, 3.5*size, -size,
size, 0, 0, size, 0, -size, size, 6*size, -size, // RIGHT
size, 0, 0, size, 6*size, -size, size, 6*size, 0,
0, 6*size, 0, size, 6*size, 0, size, 6*size, -size, // TOP
0, 6*size, 0, size, 6*size, -size, 0, 6*size, -size,
0, 0, 0, size, 0, 0, size, 0, -size, // BOTTOM BOTTOM
0, 0, 0, size, 0, -size, 0, 0, -size,
-1.5*size, 3.5*size, 0, 0, 4*size, 0, 0, 4*size, -size, // BOTTOM 2
-1.5*size, 3.5*size, 0, 0, 4*size, -size, -1.5*size, 3.5*size, -size,
0, 0, 0, 0, 4*size, 0, 0, 4*size, -size, // LEFT 1
0, 0, 0, 0, 4*size, -size, 0, 0, -size,
-1.5*size, 3.5*size, 0, -1.5*size, 4.5*size, 0, -1.5*size, 4.5*size, -size, // LEFT 2
-1.5*size, 3.5*size, 0, -1.5*size, 4.5*size, -size, -1.5*size, 3.5*size, -size,
-1.5*size, 4.5*size, 0, 0, 6*size, 0, 0, 6*size, -size, // LEFT 3
-1.5*size, 4.5*size, 0, 0, 6*size, -size, -1.5*size, 4.5*size, -size};
for(int i(0); i<198; i++)
{
m_vertices[i] = verticesTmp[i];
}
for(int i(0); i<96; i += 4)
{
m_color[i] = 0.1;
m_color[i+1] = 0.4;
m_color[i+2] = 0.6;
m_color[i+3] = 1.0;
}
for(int i(96); i<264; i+=4)
{
m_color[i] = 0;
m_color[i+1] = 0;
m_color[i+2] = 0.3;
m_color[i+3] = 1.0;
}
}
ParticleOne::~ParticleOne()
{
}
void ParticleOne::draw(glm::mat4 &projection, GLuint progID)
{
glUseProgram(progID);
mat4 modelview;
modelview = mat4(1.0);
modelview = translate(modelview, vec3(m_pos.x, m_pos.y, -1));
if(m_rotation) {
modelview = rotate(modelview, m_rotationAngle, m_rotationAxis);
}
// vertices
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, m_vertices);
glEnableVertexAttribArray(0);
// color
glVertexAttribPointer(1, 4, GL_FLOAT, GL_FALSE, 0, m_color);
glEnableVertexAttribArray(1);
// matrix
glUniformMatrix4fv(glGetUniformLocation(progID, "projection"), 1, GL_FALSE, value_ptr(projection));
glUniformMatrix4fv(glGetUniformLocation(progID, "modelview"), 1, GL_FALSE, value_ptr(modelview));
glDrawArrays(GL_TRIANGLES, 0, 66);
glDisableVertexAttribArray(1);
glDisableVertexAttribArray(0);
glUseProgram(0);
}
void ParticleOne::update(float deltaTime)
{
m_lifespan -= deltaTime;
m_pos += m_velocity * deltaTime * 0.5f;
if(m_rotation){
m_rotationAngle += m_deltaAngle;
if(m_rotationAngle >= 360.0f) { m_rotationAngle -= 360.0f; }
}
for(int i(3); i<264; i+=4)
{
m_color[i] = (float)m_lifespan / m_life;
}
}
// #################################################
// PARTICLE ZERO
// #################################################
ParticleZero::~ParticleZero()
{
}
ParticleZero::ParticleZero(glm::vec2 pos, glm::vec2 velocity, float lifespan, bool rotation, glm::vec3 rotationAxis, float rotationAngle, float size) :
Particle(pos, velocity, lifespan, rotation, rotationAxis, rotationAngle)
{
float verticesTmp[] = { -0.25*size, 0, 0, 1.25*size, 0, 0, 0.75*size, size, 0, // FRONT
-0.25*size, 0, 0, 0.75*size, size, 0, 0.25*size, size, 0,
1.25*size, 0, 0, 2.5*size, 2*size, 0, 0.75*size, size, 0,
0.75*size, size, 0, 2.5*size, 2.*size, 0, 1.5*size, 2*size, 0,
2.5*size, 2*size, 0, 2.5*size, 4*size, 0, 1.5*size, 2*size, 0,
1.5*size, 2*size, 0, 2.5*size, 4*size, 0, 1.5*size, 4*size, 0,
2.5*size, 4*size, 0, 1.25*size, 6*size, 0, 1.5*size, 4*size, 0,
1.5*size, 4*size, 0, 1.25*size, 6*size, 0, 0.75*size, 5*size, 0,
1.25*size, 6*size, 0, -0.25*size, 6*size, 0, 0.75*size, 5*size, 0,
0.75*size, 5*size, 0, -0.25*size, 6*size, 0, 0.25*size, 5*size, 0,
-0.5*size, 4*size, 0, 0.25*size, 5*size, 0, -1.5*size, 4*size, 0,
-1.5*size, 4*size, 0, 0.25*size, 5*size, 0, -0.25*size, 6*size, 0,
-0.5*size, 2*size, 0, -0.5*size, 4*size, 0, -1.5*size, 2*size, 0,
-1.5*size, 2*size, 0, -0.5*size, 4*size, 0, -1.5*size, 4*size, 0,
-0.25*size, 0, 0, 0.25*size, size, 0, -0.5*size, 2*size, 0,
-0.25*size, 0, 0, -0.5*size, 2*size, 0, -1.5*size, 2*size, 0, // 16 triangles
-0.25*size, 0, -size, 1.25*size, 0, -size, 0.75*size, size, -size, // BACK
-0.25*size, 0, -size, 0.75*size, size, -size, 0.25*size, size, -size,
1.25*size, 0, -size, 2.5*size, 2*size, -size, 0.75*size, size, -size,
0.75*size, size, -size, 2.5*size, 2.*size, 0, 1.5*size, 2*size, -size,
2.5*size, 2*size, -size, 2.5*size, 4*size, -size, 1.5*size, 2*size, -size,
1.5*size, 2*size, -size, 2.5*size, 4*size, -size, 1.5*size, 4*size, -size,
2.5*size, 4*size, -size, 1.25*size, 6*size, -size, 1.5*size, 4*size, -size,
1.5*size, 4*size, -size, 1.25*size, 6*size, -size, 0.75*size, 5*size, -size,
1.25*size, 6*size, -size, -0.25*size, 6*size, -size, 0.75*size, 5*size, -size,
0.75*size, 5*size, -size, -0.25*size, 6*size, -size, 0.25*size, 5*size, -size,
-0.5*size, 4*size, -size, 0.25*size, 5*size, -size, -1.5*size, 4*size, -size,
-1.5*size, 4*size, -size, 0.25*size, 5*size, -size, -0.25*size, 6*size, -size,
-0.5*size, 2*size, -size, -0.5*size, 4*size, -size, -1.5*size, 2*size, -size,
-1.5*size, 2*size, -size, -0.5*size, 4*size, -size, -1.5*size, 4*size, -size,
-0.25*size, 0, -size, 0.25*size, size, -size, -0.5*size, 2*size, -size,
-0.25*size, 0, -size, -0.5*size, 2*size, -size, -1.5*size, 2*size, -size,
-0.25*size, 0, 0, 1.25*size, 0, 0, 1.25*size, 0, -size, // EXT EDGE
-0.25*size, 0, 0, 1.25*size, 0, -size, -0.25*size, 0, -size,
1.25*size, 0, 0, 2.5*size, 2*size, 0, 2.5*size, 2*size, -size,
1.25*size, 0, 0, 2.5*size, 2*size, -size, 1.25*size, 0, -size,
2.5*size, 2*size, 0, 2.5*size, 4*size, 0, 2.5*size, 4*size, -size,
2.5*size, 2*size, 0, 2.5*size, 4*size, -size, 2.5*size, 2*size, -size,
2.5*size, 4*size, 0, 1.25*size, 6*size, 0, 1.25*size, 6*size, -size,
2.5*size, 4*size, 0, 1.25*size, 6*size, -size, 2.5*size, 4*size, -size,
1.25*size, 6*size, 0, -0.25*size, 6*size, 0, -0.25*size, 6*size, -size,
1.25*size, 6*size, 0, -0.25*size, 6*size, -size, 1.25*size, 6*size, -size,
-1.5*size, 4*size, 0, -0.25*size, 6*size, 0, -0.25*size, 6*size, -size,
-1.5*size, 4*size, 0, -0.25*size, 6*size, -size, -1.5*size, 4*size, -size,
-1.5*size, 2*size, 0, -1.5*size, 4*size, 0, -1.5*size, 4*size, -size,
-1.5*size, 2*size, 0, -1.5*size, 4*size, -size, -1.5*size, 2*size, -size,
-0.25*size, 0, 0, -1.5*size, 2*size, 0, -1.5*size, 2*size, -size,
-0.25*size, 0, 0, -1.5*size, 2*size, -size, -0.25*size, 0, -size };
for(int i(0); i<432; i++)
{
m_vertices[i] = verticesTmp[i];
}
for(int i(0); i<384; i+=4)
{
m_color[i] = 1.0;
m_color[i+1] = 1.0;
m_color[i+2] = 1.0;
m_color[i+3] = 1.0;
}
for(int i(384); i<576; i+=4)
{
m_color[i] = 0.1;
m_color[i+1] = 0.3;
m_color[i+2] = 0.1;
m_color[i+3] = 1.0;
}
}
void ParticleZero::update(float deltaTime)
{
m_lifespan -= deltaTime;
m_pos += m_velocity * deltaTime * 0.5f;
if(m_rotation){
m_rotationAngle += m_deltaAngle;
if(m_rotationAngle >= 360.0f) { m_rotationAngle -= 360.0f; }
else if (m_rotationAngle <= -360.0f) { m_rotationAngle += 360.0f; }
}
for(int i(3); i<576; i+=4)
{
m_color[i] = (float)m_lifespan / m_life;
}
}
void ParticleZero::draw(glm::mat4 &projection, GLuint progID)
{
glUseProgram(progID);
mat4 modelview;
modelview = mat4(1.0);
modelview = translate(modelview, vec3(m_pos.x, m_pos.y, -1));
if(m_rotation) {
modelview = rotate(modelview, m_rotationAngle, m_rotationAxis);
}
// vertices
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, m_vertices);
glEnableVertexAttribArray(0);
// color
glVertexAttribPointer(1, 4, GL_FLOAT, GL_FALSE, 0, m_color);
glEnableVertexAttribArray(1);
// matrix
glUniformMatrix4fv(glGetUniformLocation(progID, "projection"), 1, GL_FALSE, value_ptr(projection));
glUniformMatrix4fv(glGetUniformLocation(progID, "modelview"), 1, GL_FALSE, value_ptr(modelview));
glDrawArrays(GL_TRIANGLES, 0, 144);
glDisableVertexAttribArray(1);
glDisableVertexAttribArray(0);
glUseProgram(0);
}